#define  _CRT_SECURE_NO_WARNINGS  1
#define  _CRT_SECURE_NO_WARNINGS  1
#include <stdio.h>
int my_strlen(char* s)
{
	if (*s != '\0')
		return 1 + my_strlen(s + 1);
	else
	    return 0;
}
int main()
{
	char arr[] = "abcdef";
	int a = my_strlen(arr);
	printf("%d", a);

	return 0;
}